*Unofficial* Mitsubishi HC3800 Thread - Page 218 - AVS Forum | Home Theater Discussions And Reviews
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post #6511 of 6517 Unread Yesterday, 12:37 PM
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Originally Posted by fleaman View Post
Already have a Darbee...use it at 55%.
The difference in native contrast is like mind blowing compared to an old projector.

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post #6512 of 6517 Unread Yesterday, 01:40 PM
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Originally Posted by coderguy View Post
The difference in native contrast is like mind blowing compared to an old projector.
No kidding.

The HC3800 native was good for a 'DLP', like 3000:1 , but this RS57 should be just mental in comparison.

Have a good 7-8 years run on my HC3800....if all goes well with the RS57 (it works, etc!), I'll sell my HC3800 to one of my friends-----seems quite a few are interested
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post #6513 of 6517 Unread Yesterday, 07:58 PM
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Originally Posted by fleaman View Post
For me, I wouldn't upgrade if I didn't get a very noticeable contrast and black level improvement.
Contrast is an order of magnitude better than the HC3800 - absolutely huge difference.
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post #6514 of 6517 Unread Yesterday, 08:38 PM
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Originally Posted by BubbaMc View Post
Contrast is an order of magnitude better than the HC3800 - absolutely huge difference.
But I said Contrast AND black level difference.

Of course you can get "an order magnitude better" contrast by doubling brightness, even if the black levels stay about the same (of which you guys have been saying).

With 'myself', running a small screen and already getting 20fL something off it with the HC3800, it would be ridiculous IMO to double that to something like 40fL with little to no improvement in black levels.

For me, that's going in the wrong direction. I don't need more firepower, I need better blacks and contrast and the only way to do that w/o making things brighter is by making the black level lower.

For you guys running screens too big for the HC3800 (too big for the brightness you want), I get why you see big improvements with a light cannon PJ.

That's not the issue in my theater.

YMMV.
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post #6515 of 6517 Unread Yesterday, 08:59 PM
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Bottom line is that I needed to increase my contrast by going downwards----towards blacks. Not by going upwards---via a brighter PJ like you guys have done.
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post #6516 of 6517 Unread Today, 03:39 AM
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Originally Posted by fleaman View Post
Bottom line is that I needed to increase my contrast by going downwards----towards blacks. Not by going upwards---via a brighter PJ like you guys have done.
In that case, you might want to consider a neutral density filter on the projector lens. That'd reduce the over-all light intensity without reducing the contrast.

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post #6517 of 6517 Unread Today, 11:56 AM
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Originally Posted by Selden Ball View Post
In that case, you might want to consider a neutral density filter on the projector lens. That'd reduce the over-all light intensity without reducing the contrast.
No need.

Did a quick preliminary fire up of the RS57 last night and the manual iris was able to clamp down lower than my HC3800 (will be doing direct comparisons tonight).

Remember that the RS57 has dual manual irises and a dynamic one.

Plus I get the advantage of clamping down with an iris ----equaling increased contrast performance vs a ND filter which doesn't help contrast at all.

BTW, I remember trying a ND filter on my HC3800 when it was new (and brighter with the new lamp), but I didn't like it, so I never used it.
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